Refactor Docker build workflow inputs and steps

.github/workflows/dockerbuild.yml

@@ -3,11 +3,11 @@ name: Docker Build & Push (Multi-Service)
 on:
   workflow_call:
     inputs:
-      repo_name: 
-         description: "Final Repo name"
-         type: string
-         default: ''
-         required: false
+      repo_name:
+        description: "Final Repo name"
+        type: string
+        default: ''
+        required: false
       build_args:
         description: 'Optional Docker build arguments in format key=value,key=value'
         type: string
@@ -37,13 +37,19 @@ on:
         type: string
         default: "."
         required: false
+    secrets:
+      HARBOR_HOST:
+        required: false
+      HARBOR_CREDENTIALS:
+        required: false
 
 jobs:
   setup:
     uses: eclipse-xfsc/dev-ops/.github/workflows/build-context.yml@main
     secrets: inherit
     with:
-      repo_name: ${{ inputs.repo_name }}   
+      repo_name: ${{ inputs.repo_name }}
+
   docker-build:
     needs: setup
     runs-on: ubuntu-latest
@@ -52,52 +58,69 @@ jobs:
         uses: actions/checkout@v4
         with:
           submodules: recursive
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
+
       - name: Find and build Docker images (multi-arch)
-        env: 
+        env:
           HARBOR_HOST: ${{ secrets.HARBOR_HOST }}
           HARBOR_CREDENTIALS: ${{ secrets.HARBOR_CREDENTIALS }}
-        run: |   
+        run: |
           git clone https://github.com/eclipse-xfsc/dev-ops.git devops
-          echo "clone successfull"
-          chmod +x ./devops/scripts/harborconfig.sh
-          . ./devops/scripts/harborconfig.sh ${{ inputs.harbor_config}}
-          echo "harborconfig loaded"
-          echo "Connect $HARBOR_HOST"
-          echo "$HARBOR_PASSWORD" | docker login $HARBOR_HOST --username "$HARBOR_USERNAME" --password-stdin
-
+          echo "clone successful"
+
           IMAGE_TAG="${{ needs.setup.outputs.image_tag }}"
           PLATFORMS="${{ inputs.platforms }}"
-          echo "🔖 Tag: $IMAGE_TAG"
-          echo "🧬 Platforms: $PLATFORMS"
+          REPO_NAME="${{ needs.setup.outputs.repo_name }}"
+          SERVICE_NAME="${{ inputs.service }}"
+
+          if [[ "$SERVICE_NAME" == "." ]]; then
+            FINAL_NAME="$REPO_NAME"
+          else
+            FINAL_NAME="$SERVICE_NAME"
+          fi
 
-          # Convert comma-separated build_args string to space-separated --build-arg args
           BUILD_ARGS=""
           if [[ -n "${{ inputs.build_args }}" ]]; then
             IFS=',' read -ra ARGS <<< "${{ inputs.build_args }}"
             for arg in "${ARGS[@]}"; do
               BUILD_ARGS+="--build-arg $arg "
             done
           fi
-
-          REPO_NAME=${{ needs.setup.outputs.repo_name }}
-          SERVICE_NAME="${{ inputs.service }}"
-
-          if [[ "$SERVICE_NAME" == "." ]]; then
-            FINAL_NAME="$REPO_NAME"
+
+          if [[ -n "$HARBOR_HOST" && -n "$HARBOR_CREDENTIALS" ]]; then
+            chmod +x ./devops/scripts/harborconfig.sh
+            . ./devops/scripts/harborconfig.sh ${{ inputs.harbor_config }}
+
+            echo "harborconfig loaded"
+            echo "Connect $HARBOR_HOST"
+
+            echo "$HARBOR_PASSWORD" | docker login "$HARBOR_HOST" --username "$HARBOR_USERNAME" --password-stdin
+
+            IMAGE="$HARBOR_HOST/$HARBOR_PROJECT/$FINAL_NAME:$IMAGE_TAG"
+            OUTPUT_ARG="--push"
           else
-            FINAL_NAME="$SERVICE_NAME"
-          fi
+            echo "Harbor secrets not provided. Building image without push."
+
+            IMAGE="$FINAL_NAME:$IMAGE_TAG"
+            OUTPUT_ARG="--load"
 
-          IMAGE="$HARBOR_HOST/$HARBOR_PROJECT/$FINAL_NAME:$IMAGE_TAG"
+            if [[ "$PLATFORMS" == *","* ]]; then
+              echo "Multi-platform build without push is not supported with --load."
+              echo "Falling back to linux/amd64."
+              PLATFORMS="linux/amd64"
+            fi
+          fi
 
-          echo "🐳 Building $FINAL_NAME → $IMAGE"
+          echo "Tag: $IMAGE_TAG"
+          echo "Platforms: $PLATFORMS"
+          echo "Building $FINAL_NAME → $IMAGE"
 
           docker buildx build \
             --platform "$PLATFORMS" \
-            --file ${{ inputs.dockerfile}} \
+            --file ${{ inputs.dockerfile }} \
             $BUILD_ARGS \
-            --push \
+            $OUTPUT_ARG \
             --tag "$IMAGE" \
             ${{ inputs.buildContext }}